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10 10 10 11 10 12 10 13 10 14 10 15 10 16 10 17 10 18 10 19 10 20 1897 1896 1895 1894 1893 1892 1891 1890 1889 1888

= Free Coordinate    = Occupied(Single Region)     = Occupied (Var Region)     = Center of the grid